See also:

Step-by-step instructions
The following steps have been developed as required of all manufacturers under Title 49, Code of U.S. Federal Regulations, Part 575 pursuant to the "National Traffic and Motor Vehicle Safety ...

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...

Switching to navigation mode
Press the function button once or twice. or Select Navi in the main function bar by sliding and turning the COMAND controller and press to confirm. In both cases, you will see ...